300000680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24917}}^1$

素因数の和:24978

約数の個数: 64

約数和(自身を含む): 789402240

約数和(自身を除く): 489401560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 24917, 49834, 99668, 124585, 174419, 199336, 249170, 348838, 498340, 697676, 872095, 996680, 1071431, 1395352, 1744190, 2142862, 3488380, 4285724, 5357155, 6976760, 7500017, 8571448, 10714310, 15000034, 21428620, 30000068, 37500085, 42857240, 60000136, 75000170, 150000340, 300000680]

約数ペア:

[(1, 300000680), (2, 150000340), (4, 75000170), (5, 60000136), (7, 42857240), (8, 37500085), (10, 30000068), (14, 21428620), (20, 15000034), (28, 10714310), (35, 8571448), (40, 7500017), (43, 6976760), (56, 5357155), (70, 4285724), (86, 3488380), (140, 2142862), (172, 1744190), (215, 1395352), (280, 1071431), (301, 996680), (344, 872095), (430, 697676), (602, 498340), (860, 348838), (1204, 249170), (1505, 199336), (1720, 174419), (2408, 124585), (3010, 99668), (6020, 49834), (12040, 24917)]